Johannes Carlén

Cadec tutorials

January 22nd, 2013

Our developer conference Cadec with over 150 developers, mostly locals from Göteborg, have taken place recently. Nearly 60 of these developers also attended one of our three hands-on-tutorials. All three tutorials are on Github and open for anyone to work through, so if you’d like an intro to any of these domains, please feel free [...]

Posted in Dynamic languages, JavaScript, Mobile, Open Source, Scala, Web | No Comments »

My write-up on Software Craftsmanship 2010

October 8th, 2010

Yesterday I attended the Software Craftsmanshop 2010 conference held at the Bletchley Park Mansion. If you don’t know it already Bletchley Park is claimed to be the birthplace of modern computing with machines such as the Colossus decoder as well as the Turing-Welchman Bombe machine which cracked a massive amount of enigma codes during WW2. Really cool [...]

Posted in Agile, Software Craftsmanship, TDD | No Comments »

Lightweight messaging development using Active MQ

May 18th, 2008

This is a guide to setting up a lightweight messaging development environment with Active MQ using Tomcat as the application server. This tips might be of help to you regardless you are using another platform such as Websphere MQ or just want to try out JMS in your web or Java application.
When integrating enterprise applications [...]

Posted in Open Source | 3 Comments »

Valentine’s day – have you sent your partner a message today?

February 14th, 2008

Today is Valentine’s day and if you haven’t yet thought about what you are doing for your loved one tonight, you’d better start now. It’s winter now (at least here in Sweden) and you don’t want to be out in the cold, do you…? Well, anyway, I think you can agree with me that one [...]

Posted in Uncategorized | No Comments »

Visst kan man lära gamla hundar att sitta eller en reflektion om vidareutbildning i Java.

November 16th, 2007

“Jag måste vara riktigt dum”, tänkte jag. “vad är det jag missat här egentligen?” fortsatte mina tankar när vi satt och pratade på lunchrasten. Det här var strax efter jag gått min första Javakurs för cirka tio år sedan. Visst hade jag lärt mig Java på universitetet innan, men med Javakursen på jobbet så var [...]

Posted in Övrigt | No Comments »

Vilka beroenden har du?

October 6th, 2006

Det här är ett enkelt tips för dig som använder Eclipse som verktyg för Javautveckling. Att starta upp ett enkelt Eclipseprojekt innebär ibland ett fasligt massa surfande efter alla de komponenter och bibliotek man vill använda; Struts, Hibernate, Spring etc. skall alla laddas ned och läggas till classpathen i Eclipse. Det finns dock genvägar och [...]

Posted in Övrigt | No Comments »